Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.
Html Agility Pack (HAP) is a free and open-source HTML parser written in C# to read/write DOM and supports plain XPATH or XSLT. It is a .NET code library that allows you to parse "out of the web" HTML files.
True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects
The low-code Knowledge Graph application platform. Apache license.